I was surprised how well the handwriting recognition worked for something made about twenty years ago. I was also surprised how easy it is to memorize the handwriting characters. This thing fits my needs and budget perfectly.
I use the palm with a total station to measure throws at athletic meets. The serial connection on the 100 is more secure than on other palms. I also like the if the battery gets low you just throw in a couple of triple A’s and you are good for the rest of the day.